Engine.



J. H. TOWERY.

ENGINE.

APPLICATION FILED SEPT..9, 191a.

Patented July 14, 1914.

& SHEETS-SHEET 1.

wanes ow J. H. TOWBRY.

ENGINE.

APPLICATION FILED SEPT. 9, 1913.

Patented July 14,1914.

4 SHEETS-SHEET 2.

wi/tnzoow J. H. TOWERY.

ENGINE.

APPLICATION FILED SEPT. 9, 191a.

Patented July 14,1914,-

4 SHEETSSHEET 3.-

LPPLIOATION FILED SEPT. 9, 191a.

Patented July 14, 1914.

mummuu outrun STATES PATENT onrroni.

JOHN H. rownnnorousnme, OKLAHOMA.

ENGINE.

Specification of Letters Patent. Patented J uly 14, 19141.

Application filed September 9, 1913. Serial No. 788,885.

To all whom it may concern:

Be it known that 1, JOHN H. TownRY, a citizen of the Unitedstates ofAmerica, residing at Oushing, in the county of Payne and State ofOklahoma, have invented. cer

tain new and useful Improvements inEn gines, of which the following is aspecification, reference belng had thereln to the accompanying drawmg.

This invention relates to a steam engine and the principal object of theinvention is to provide an improved means for operating the valveslide'so that the slide may be held' stationary during a portion of thepiston stroke and then released and caused to move rapidly to its secondposition.

Another object ofthe invent-ion is to provide an improved means forreleasably holding the valve plate in a desired position, the

improved means being so constructed that the plate will be caused tojumpin either direction desired. v

With these and other objects in view this inventlon consists of certalnnovel COIIllOlIIittlons, constructions and arrangements of parts as willbe hereinafter fully described and claimed. p r

Thls invention 1s lllustrated 1n the accompanymg drawings, where1n:-

Figure. 1 is a top plan view of the engine.

Fig. 2 is a longitudinal sectional view 6 is a perspective view of theplate which is. actuated by the shifting lever. Fig. 7 1s a transversesectional view taken along the.

line 77 in Fig. 1. Fig. 8 is a transversesectional view taken along theline-88 of Fig. 1. Fig.9 is a fragmentary view of the frame with thevalve plate removed. Fig.-

10 is a view looking at the innerface of the valve plate. Fig. 11 is afragmentary view of the mechanism for reciprocating the trigger trippingbar. Fig. 12 is a perspective View of the rod with which the valveplate.

is connected. Fig. 13 is a of one of the triggers.

In the accompanying drawings the numeral 15 indicates the base uponwhichthe perspective view steam engine frame is mounted. This ders can raiseframe comprises the longitudinally extending bar 16 which bar isprovided with a longitudinally extending opening 17 positionedintermediate its length. Aside bar 18 extends parallel to the bar 16 andthese two bars 16 and 18 extend beyond the end of the frame 15 sothatthe shaft 19 can be rotatably mounted.

' Cross heads '20 and 21 are mounted upon the frame 15 between the bars16 and 18 and are provided with alined openings through which theend'portions of the sliding bar 22 projects. This sliding bar 22 isprovided with aside arm 23 whichextends into the {space between the bar22 andside walhlS and'is pivotally connected with the pitman.

24 by the pin 25. This pitman 24 extends through an opening formed inthe head 20 and carries a collar 26 which is positioned in a disk 27longitudinally mounted upon the shaft 19.: Thus it will'be seen thatwhen the shaft 19 is rotated it will cause the bar 22 to reciprocate andrelease the trigger which will be hereinafter described. g

A rod 28 has its 'ends slidably mounted in openings formed in the head20 and 21 and H is positioned above thetriggers 29 and 30 pivotallyconnected with bearing blocks 31,

so that the triggers 29 and 30will be positioned in between the endsofthe'bars 22 and rodv 28.

The ends ofcthe rod 28 are reduced to form the abutment shoulders 32 iand 33 so that the triggers 29 and 30 can engage the shoulders andprevent the. rod 28 leased. A standard 34 extends from the slidingbar'and isprovided with an opening through whichthe rod 28 passes, thuspreventing the standard to slide upon the rod.

Springs and 36 are mounted upon the rod 28 between thestandard and theheads "20 from beingmoved until the triggers are reand 21 and have theirfree ends bearing against the standard. The ends of the bar 22 arereduced thus forming abutment shoul ders37 and 38 sothat these abutmentsh0ulrod 28. I

A shifting lever 39 is pivotally connected with abracing bar 40 whichconnects the heads 20 and 21 and is provided near its upper end with apin 41 which fits in a notch 42 formed in the rack 43. This shiftinglever extends downwardly beneath the v 110,

bracing bar 40 and has its lower'end pivotally connected with theupstanding'central portion 44 of the strip 45. 7 By shifting this thetriggers and release the thereto so that when the pltman 'rec1pro-.-

lever'39 from the position shown inFig. 2,

to that shown in- F1g.3 or to. that shown in Fig. 4:, the desiredtrigger can be prevented from engaging the shoulder at its end of therod 28. I 5

I ;.Tl1e cylinder 46is carried by the longitudinally extending bar 16,and is positioned so that the inlet ports will register with the inletports of this bar. The piston which travels in the cylinder is connectedwith the 'piston'rod 48 which piston rod has its outer endconnected"with the sliding block 49 which travels in the guides 50. Thissliding block 49 is connected. with the pitman' 51 which leads to thewheel 52 and is secured cates, the wheelwill be caused to rotate- Avalve "plate 53 is slidably connected with the longitudinally extendingbar 16 insidethe steam chest 46" by means of the bolts 5 l which extendthrough slots 55 formedin the plate. This plate is provided with theoutlet ports 56 and 57 which communicate with the chamber 58 bymeans ofthe passage 59. This chamber 58 registers,

with-a chamber 60 with which the ipe 61 communicates, and it will,therefore, e seen,

that the dead steam can pass intot-he pipe; .61 through the outletports56and 57. The inletport of the cylinder communicates with the inlet port62 so that thelive steam can enter. the cylinder from the steam ,chestQThis plate is connected withthe reciprocat- 1 ing rod 2Sby' means ofthe-pin 63 which passes through an openingfitin' the end of? the rodandxitw-ill be seen that: when the rod moves the; valveplate will bemoved from one position to another.

The-operation of this device: 1s as follows:

Thelengine is started and when the shifting lever is in the positionshown in Fig. 2 theendsofthe strip willnot engage either of thetriggersto such an extent that itwill,

1 be prevented from engaging the rod 28. As

the v shaft 19'' rotates the reciprocating bar :will moveand this willcause the standard vto-compress one of the springs until the shoulders37 Or 38 hits its trigger, thus releasing the rod and permitting it to.move under the impulse of thecompressed spring and give the valve platea quick movement;

If it isfdesired to have the spring 36 compressed without the spring 35being corn fpressed, the shifting lever is moved to theposition shown inFig. 3 andth'is will cause one end of the strip 45 to engage one end 0)?the trigger 29 and swing it upon its pivot .so' that. its upper end willnot engage the shoulder 32. The spring 35 willjtherefore not becompressed since the rod canmove freelyinthat direction as far 'asnecessary.

If; it is desired to reduce the rotation of the engine, the shiftinglever is moved to the position shown in Fig. 4 in which position thetr1gger30 wlllbemoved out of engage "portion, adjustable collars Lsaidrod adjacent said shoulc ers, a standard fixedly" secured-" to, said barand slidably vmounted upon said rod, springs positioned the valve platecan be controlled. and the plate held stationary during a portion of thepiston strokeand then instantly released 'to permit the piston to bemoved rapidlyto the opposite end of 1 the cylinder. It will also be seenthat the-rotation Ofillll shaft 19 controlsthe operationof the valveguiding mechanism and that thereby thevalve plate will be at all timescaused to-move when the engine is in the exact position re-. *quired'for the best results. It will also be noted that. this device can beadjusted so that it will operate equally well, no matter which directionthe shaft is rotated.

vVhat'is'claimed, is: 1

A steam engine comprising a frame, said frame comprising a pair ofvertical heads positioned at a spaced distance apart,v a bar slidablymounted through said heads,

a rod slidably mounted within said head and positioned above said bar,said rod provided with ashoulder adjacent each end ositioned uponupon'said rodso as to bearat one'end upon said standard'an'd atjtheopposite-end upon one of said adjustable. collars, said collars 1adapted to adjust the tension of said springs, means for reciprocatingsaid "bar, means for releasably holding said rod in a set position, saidstandard adapted to compress one of saidsprings when said bar is movedin onedirection, said bar adapted to operate said lastmentioned meansfor automatically releasing said rod whereby said rod will be moved by.one of said springs for shifting a valve plate.

2. A steam engine. comprising a frame, said, frame comprising aplurality of heads .positionedat a spaced distance apart, a bar carriedbysaid heads and slidably mounted therethrough, a vertical standardfixedly secured to said bar, a rodslidably mounted @upon said heads,bearing'blocks *fiXBCllY SG- cured upon eachof said heads ata spaceddistance apart, a plurality of tr1ggers:;car-

ried by said blocks, each trigger being "piv- 7 otally secured, adjacentone end portionso as toallo'wlthelargeriportion thereof to ex tenddownwardly, the short ends of said triggers adapted to alternatelyengage'said rod for holding the same in a set position,

springs carriedby said rod and actuated by said standard whereby saidrod may be moved for operating. a valve plate, means for operating saidbar, said bar adapted to alternately lift the lower ends of said trig-'gers whereby the upper ends of said triggers will be released from saidrod for allowing said rod to operate.

3. A steam engine comprising a frame, a bar slidably carried by saidframe, means for operating said bar, a rod slidably mounted upon saidframe, a standard fix-- edly secured to said bar and slidably mountedupon said rod, a spring carried by said rod and adapted to be actuatedby said standard whereby said rod may be moved by said spring forsliding a valve plate, triggers carried by said frame for engaging saidrod for holding the same in a set posh tion, said bar adapted to operatesaid triggers for releasing said rod, and a lever pivotally secured tosaid standard and pivotally secured to said frame, whereby saidv bar maybe manually shifted for moving said rod whereby the valve plate will beshifted for starting the engine.

In testimony whereof I hereunto affix my signature in presence of twoWitnesses.

' JOHN H. TOW ERY. Witnesses:

WALTER M. ROBERTSON, SANTA G. ROBERTSON.

Copies of this patent may be obtainedvtor five cents each, by addressingthe Commissioner of Patents, Washington, D. O."

